Medullary metastasis of a malignant peripheral nerve sheath tumor: A case report

  • Authors:
    • Tomohito Hagi
    • Tomoki Nakamura
    • Ayumu Yokoji
    • Akihiko Matsumine
    • Akihiro Sudo
  • View Affiliations

  • Published online on: July 15, 2016     https://doi.org/10.3892/ol.2016.4872
  • Pages: 1906-1908
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Abstract

The present study reports a case of medullary metastasis without lung metastasis that occurred as a result of a malignant peripheral nerve sheath tumor (MPNST). An 81‑year‑old woman presented with a MPNST in the left brachial plexus, arising from the cervical nerve root. The patient underwent carbon ion radiotherapy; however, tumor recurrence was identified in the left shoulder. Subsequently, the patient underwent wide excision. Three weeks subsequent to surgery, imbalance and dysarthria developed suddenly. Dysphagia emerged and left upper limb pain disappeared on the day after symptom development. Magnetic resonance imaging (MRI) revealed that this was due to metastasis to the medulla. Five days subsequent to the onset of dysarthria, the patient succumbed due to respiratory failure. To the best of our knowledge, no previous cases of medullary metastasis arising from a MPNST in the absence of lung metastasis have been reported. MRI is a useful examination tool for the identification of brain metastases; however, the high cost of MRI as a routine examination must be considered due to the rarity of brain metastases. Therefore, methods to detect brain metastasis warrant further investigation.
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September-2016
Volume 12 Issue 3

Print ISSN: 1792-1074
Online ISSN:1792-1082

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Spandidos Publications style
Hagi T, Nakamura T, Yokoji A, Matsumine A and Sudo A: Medullary metastasis of a malignant peripheral nerve sheath tumor: A case report. Oncol Lett 12: 1906-1908, 2016
APA
Hagi, T., Nakamura, T., Yokoji, A., Matsumine, A., & Sudo, A. (2016). Medullary metastasis of a malignant peripheral nerve sheath tumor: A case report. Oncology Letters, 12, 1906-1908. https://doi.org/10.3892/ol.2016.4872
MLA
Hagi, T., Nakamura, T., Yokoji, A., Matsumine, A., Sudo, A."Medullary metastasis of a malignant peripheral nerve sheath tumor: A case report". Oncology Letters 12.3 (2016): 1906-1908.
Chicago
Hagi, T., Nakamura, T., Yokoji, A., Matsumine, A., Sudo, A."Medullary metastasis of a malignant peripheral nerve sheath tumor: A case report". Oncology Letters 12, no. 3 (2016): 1906-1908. https://doi.org/10.3892/ol.2016.4872